The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 1995
Filed:
Aug. 18, 1993
Applicant:
Inventors:
Katsumi Nukada, Minami Ashigara,, JP;
Akira Imai, Minami Ashigara,, JP;
Masakazu Iijima, Minami Ashigara,, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
540143 ; 540122 ; 540139 ; 540140 ; 540141 ;
Abstract
A process for preparing chlorogallium phthalocyanine comprising the steps of: reacting gallium trichloride and phthalonitrile or diiminoisoindoline in an aromatic hydrocarbon solvent; and treating the resulting chlorogallium phthalocyanine with a second solvent different from the aromatic hydrocarbon solvent.